diff --git a/.gitea/workflows/buildah_test.yml b/.gitea/workflows/buildah_test.yml
index 2788dfa..9aa7f0f 100644
--- a/.gitea/workflows/buildah_test.yml
+++ b/.gitea/workflows/buildah_test.yml
@@ -13,6 +13,7 @@ jobs:
             --security-opt apparmor=unconfined \
             --security-opt label=disable \
             --tmpfs /var/lib/containers \
+            --ulimit nofile=1048576:1048576 \
             quay.io/buildah/stable:latest \
             buildah --storage-driver=vfs --isolation=chroot bud \
               -t test-image:latest \